Added new EEPROM and FLASH buffer versions of the Endpoint and Pipe stream...

Added new EEPROM and FLASH buffer versions of the Endpoint and Pipe stream functions. Changed Endpoint.c and Pipe.c to use a templated system to build the seperate functions, rather than duplicating each function's code many times.

Demos/Device/Incomplete/Sideshow/Sideshow.c

@@ -131,7 +131,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				
 				Endpoint_ClearSETUP();
 				
-				Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
+				Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
 				Endpoint_ClearOUT();				
 			}
 

Demos/Device/LowLevel/CDC/CDC.c

@@ -50,6 +50,54 @@ CDC_Line_Coding_t LineCoding = { .BaudRateBPS = 9600,
                                  .ParityType  = Parity_None,
                                  .DataBits    = 8            };
 
+#if 0
+/* NOTE: Here you can set up a standard stream using the created virtual serial port, so that the standard stream functions in
+ *       <stdio.h> can be used on the virtual serial port (e.g. fprintf(&USBSerial, "Test"); to print a string).
+ */
+	
+static int CDC_putchar (char c, FILE *stream)
+{
+	if (!(USB_IsConnected))
+	  return -1;
+	  
+	Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+	while (!(Endpoint_IsReadWriteAllowed()));
+	Endpoint_Write_Byte(c);
+	Endpoint_ClearIN();
+	
+	return 0;
+}
+
+static int CDC_getchar (FILE *stream)
+{
+	int c;
+	  
+	Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+	
+	for (;;)
+	{
+		if (!(USB_IsConnected))
+		  return -1;
+
+		while (!(Endpoint_IsReadWriteAllowed()));
+	
+		if (!(Endpoint_BytesInEndpoint()))
+		{
+			Endpoint_ClearOUT();
+		}
+		else
+		{
+			c = Endpoint_Read_Byte();
+			break;
+		}
+	}
+	
+	return c;
+}
+
+static FILE USBSerial = FDEV_SETUP_STREAM(CDC_putchar, CDC_getchar, _FDEV_SETUP_RW);
+#endif
+
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
  */
@@ -208,8 +256,8 @@ void CDC_Task(void)
 	
 #if 0
 	/* NOTE: Here you can use the notification endpoint to send back line state changes to the host, for the special RS-232
-	         handshake signal lines (and some error states), via the CONTROL_LINE_IN_* masks and the following code:
-	*/
+	 *       handshake signal lines (and some error states), via the CONTROL_LINE_IN_* masks and the following code:
+	 */
 	USB_Notification_Header_t Notification = (USB_Notification_Header_t)
 		{
 			.NotificationType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),

Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c

@@ -112,7 +112,7 @@ void ProcessRNDISControlMessage(void)
 
 			ResponseReady = true;
 			
-			RNDIS_Initialize_Message_t*   INITIALIZE_Message  = (RNDIS_Initialize_Message_t*)&RNDISMessageBuffer;
+			RNDIS_Initialize_Message_t*  INITIALIZE_Message  = (RNDIS_Initialize_Message_t*)&RNDISMessageBuffer;
 			RNDIS_Initialize_Complete_t* INITIALIZE_Response = (RNDIS_Initialize_Complete_t*)&RNDISMessageBuffer;
 			
 			INITIALIZE_Response->MessageType           = REMOTE_NDIS_INITIALIZE_CMPLT;

LUFA/Doxygen.conf

@@ -1227,7 +1227,7 @@ PREDEFINED             = __DOXYGEN__
 # The macro definition that is found in the sources will be used. 
 # Use the PREDEFINED tag if you want to use a different macro definition.
 
-EXPAND_AS_DEFINED      = 
+EXPAND_AS_DEFINED      = _CALLBACK_PARAM
 
 # If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then 
 # doxygen's preprocessor will remove all function-like macros that are alone 

LUFA/Drivers/USB/LowLevel/DevChapter9.c

@@ -241,47 +241,12 @@ static void USB_Device_GetDescriptor(void)
 
 	#if defined(USE_RAM_DESCRIPTORS)
 	Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
+	#elif defined(USE_EEPROM_DESCRIPTORS)
+	Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
 	#else
-	bool SendZLP;
-	
-	if (USB_ControlRequest.wLength > DescriptorSize)
-	  USB_ControlRequest.wLength = DescriptorSize;
-	
-	while (USB_ControlRequest.wLength)
-	{
-		while (!(Endpoint_IsINReady()))
-		{
-			if (Endpoint_IsOUTReceived())
-			{
-				Endpoint_ClearOUT();
-				return;
-			}		
-		}
-		
-		while (USB_ControlRequest.wLength && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
-		{
-			#if defined (USE_EEPROM_DESCRIPTORS)
-			Endpoint_Write_Byte(eeprom_read_byte(DescriptorPointer++));		
-			#else
-			Endpoint_Write_Byte(pgm_read_byte(DescriptorPointer++));
-			#endif
-			
-			USB_ControlRequest.wLength--;
-		}
-		
-		SendZLP = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
-		Endpoint_ClearIN();
-	}
-	
-	if (SendZLP)
-	{
-		while (!(Endpoint_IsINReady()));
-		Endpoint_ClearIN();
-	}
-
-	while (!(Endpoint_IsOUTReceived()));
+	Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);	
 	#endif
-	
+
 	Endpoint_ClearOUT();
 }
 

LUFA/Drivers/USB/LowLevel/Endpoint.c

@@ -183,428 +183,116 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
 	return ENDPOINT_RWSTREAM_NoError;
 }
 
-uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
-#if !defined(NO_STREAM_CALLBACKS)
-                                 , StreamCallbackPtr_t Callback
-#endif
-								 )
-{
-	uint8_t* DataStream   = (uint8_t*)Buffer;
-	uint8_t  ErrorCode;
-	
-	if ((ErrorCode = Endpoint_WaitUntilReady()))
-	  return ErrorCode;
-
-	#if defined(FAST_STREAM_TRANSFERS)
-	uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
-
-	if (Length >= 8)
-	{
-		Length -= BytesRemToAlignment;
-
-		switch (BytesRemToAlignment)
-		{
-			default:
-				do
-				{
-					if (!(Endpoint_IsReadWriteAllowed()))
-					{
-						Endpoint_ClearIN();
-
-						#if !defined(NO_STREAM_CALLBACKS)
-						if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-						  return ENDPOINT_RWSTREAM_CallbackAborted;
-						#endif
-
-						if ((ErrorCode = Endpoint_WaitUntilReady()))
-						  return ErrorCode;
-					}
-
-					Length -= 8;
-					
-					Endpoint_Write_Byte(*(DataStream++));
-			case 7: Endpoint_Write_Byte(*(DataStream++));
-			case 6: Endpoint_Write_Byte(*(DataStream++));
-			case 5: Endpoint_Write_Byte(*(DataStream++));
-			case 4: Endpoint_Write_Byte(*(DataStream++));
-			case 3: Endpoint_Write_Byte(*(DataStream++));
-			case 2: Endpoint_Write_Byte(*(DataStream++));
-			case 1:	Endpoint_Write_Byte(*(DataStream++));
-				} while (Length >= 8);	
-		}
-	}
-	#endif
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_LE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*(BufferPtr++))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_LE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte(BufferPtr++))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_LE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte(BufferPtr++))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_BE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*(BufferPtr--))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_BE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte(BufferPtr--))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_BE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte(BufferPtr--))
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_LE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *(BufferPtr++) = Endpoint_Read_Byte()
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_LE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_byte(BufferPtr++, Endpoint_Read_Byte())
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_BE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *(BufferPtr--) = Endpoint_Read_Byte()
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_BE
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_byte(BufferPtr--, Endpoint_Read_Byte())
+#include "Template/Template_Endpoint_RW.c"
 
-	while (Length)
-	{
-		if (!(Endpoint_IsReadWriteAllowed()))
-		{
-			Endpoint_ClearIN();
-			
-			#if !defined(NO_STREAM_CALLBACKS)
-			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_CallbackAborted;
-			#endif
-
-			if ((ErrorCode = Endpoint_WaitUntilReady()))
-			  return ErrorCode;
-		}
-		else
-		{
-			Endpoint_Write_Byte(*(DataStream++));
-			Length--;
-		}
-	}
-
-	return ENDPOINT_RWSTREAM_NoError;
-}
-
-uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
-#if !defined(NO_STREAM_CALLBACKS)
-                                 , StreamCallbackPtr_t Callback
 #endif
-								 )
-{
-	uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
-	uint8_t  ErrorCode;
-	
-	if ((ErrorCode = Endpoint_WaitUntilReady()))
-	  return ErrorCode;
-
-	#if defined(FAST_STREAM_TRANSFERS)
-	uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
-
-	if (Length >= 8)
-	{
-		Length -= BytesRemToAlignment;
-
-		switch (BytesRemToAlignment)
-		{
-			default:
-				do
-				{
-					if (!(Endpoint_IsReadWriteAllowed()))
-					{
-						Endpoint_ClearIN();
-
-						#if !defined(NO_STREAM_CALLBACKS)
-						if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-						  return ENDPOINT_RWSTREAM_CallbackAborted;
-						#endif
-
-						if ((ErrorCode = Endpoint_WaitUntilReady()))
-						  return ErrorCode;
-					}
-
-					Length -= 8;
-					
-					Endpoint_Write_Byte(*(DataStream--));
-			case 7: Endpoint_Write_Byte(*(DataStream--));
-			case 6: Endpoint_Write_Byte(*(DataStream--));
-			case 5: Endpoint_Write_Byte(*(DataStream--));
-			case 4: Endpoint_Write_Byte(*(DataStream--));
-			case 3: Endpoint_Write_Byte(*(DataStream--));
-			case 2: Endpoint_Write_Byte(*(DataStream--));
-			case 1:	Endpoint_Write_Byte(*(DataStream--));
-				} while (Length >= 8);	
-		}
-	}
-	#endif
-
-	while (Length)
-	{
-		if (!(Endpoint_IsReadWriteAllowed()))
-		{
-			Endpoint_ClearIN();
-
-			#if !defined(NO_STREAM_CALLBACKS)
-			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_CallbackAborted;
-			#endif
-
-			if ((ErrorCode = Endpoint_WaitUntilReady()))
-			  return ErrorCode;
-		}
-		else
-		{
-			Endpoint_Write_Byte(*(DataStream--));
-			Length--;
-		}
-	}
-
-	return ENDPOINT_RWSTREAM_NoError;
-}
-
-uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
-#if !defined(NO_STREAM_CALLBACKS)
-                                 , StreamCallbackPtr_t Callback
-#endif
-								 )
-{
-	uint8_t* DataStream = (uint8_t*)Buffer;
-	uint8_t  ErrorCode;
-	
-	if ((ErrorCode = Endpoint_WaitUntilReady()))
-	  return ErrorCode;
-
-	#if defined(FAST_STREAM_TRANSFERS)
-	uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
-
-	if (Length >= 8)
-	{
-		Length -= BytesRemToAlignment;
-
-		switch (BytesRemToAlignment)
-		{
-			default:
-				do
-				{
-					if (!(Endpoint_IsReadWriteAllowed()))
-					{
-						Endpoint_ClearOUT();
-
-						#if !defined(NO_STREAM_CALLBACKS)
-						if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-						  return ENDPOINT_RWSTREAM_CallbackAborted;
-						#endif
-
-						if ((ErrorCode = Endpoint_WaitUntilReady()))
-						  return ErrorCode;
-					}
 
-					Length -= 8;
-					
-					*(DataStream++) = Endpoint_Read_Byte();
-			case 7: *(DataStream++) = Endpoint_Read_Byte();
-			case 6: *(DataStream++) = Endpoint_Read_Byte();
-			case 5: *(DataStream++) = Endpoint_Read_Byte();
-			case 4: *(DataStream++) = Endpoint_Read_Byte();
-			case 3: *(DataStream++) = Endpoint_Read_Byte();
-			case 2: *(DataStream++) = Endpoint_Read_Byte();
-			case 1:	*(DataStream++) = Endpoint_Read_Byte();
-				} while (Length >= 8);	
-		}
-	}
-	#endif
-
-	while (Length)
-	{
-		if (!(Endpoint_IsReadWriteAllowed()))
-		{
-			Endpoint_ClearOUT();
-
-			#if !defined(NO_STREAM_CALLBACKS)
-			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_CallbackAborted;
-			#endif
-
-			if ((ErrorCode = Endpoint_WaitUntilReady()))
-			  return ErrorCode;
-		}
-		else
-		{
-			*(DataStream++) = Endpoint_Read_Byte();
-			Length--;
-		}
-	}
-
-	return ENDPOINT_RWSTREAM_NoError;
-}
-
-uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
-#if !defined(NO_STREAM_CALLBACKS)
-                                 , StreamCallbackPtr_t Callback
-#endif
-								 )
-{
-	uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
-	uint8_t  ErrorCode;
-	
-	if ((ErrorCode = Endpoint_WaitUntilReady()))
-	  return ErrorCode;
-
-	#if defined(FAST_STREAM_TRANSFERS)
-	uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
-
-	if (Length >= 8)
-	{
-		Length -= BytesRemToAlignment;
-
-		switch (BytesRemToAlignment)
-		{
-			default:
-				do
-				{
-					if (!(Endpoint_IsReadWriteAllowed()))
-					{
-						Endpoint_ClearOUT();
-
-						#if !defined(NO_STREAM_CALLBACKS)
-						if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-						  return ENDPOINT_RWSTREAM_CallbackAborted;
-						#endif
-
-						if ((ErrorCode = Endpoint_WaitUntilReady()))
-						  return ErrorCode;
-					}
-
-					Length -= 8;
-					
-					*(DataStream--) = Endpoint_Read_Byte();
-			case 7: *(DataStream--) = Endpoint_Read_Byte();
-			case 6: *(DataStream--) = Endpoint_Read_Byte();
-			case 5: *(DataStream--) = Endpoint_Read_Byte();
-			case 4: *(DataStream--) = Endpoint_Read_Byte();
-			case 3: *(DataStream--) = Endpoint_Read_Byte();
-			case 2: *(DataStream--) = Endpoint_Read_Byte();
-			case 1:	*(DataStream--) = Endpoint_Read_Byte();
-				} while (Length >= 8);	
-		}
-	}
-	#endif
-
-	while (Length)
-	{
-		if (!(Endpoint_IsReadWriteAllowed()))
-		{
-			Endpoint_ClearOUT();
-
-			#if !defined(NO_STREAM_CALLBACKS)
-			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_CallbackAborted;
-			#endif
-
-			if ((ErrorCode = Endpoint_WaitUntilReady()))
-			  return ErrorCode;
-		}
-		else
-		{
-			*(DataStream--) = Endpoint_Read_Byte();
-			Length--;
-		}
-	}
-
-	return ENDPOINT_RWSTREAM_NoError;
-}
-#endif
-
-uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
-{
-	uint8_t* DataStream     = (uint8_t*)Buffer;
-	bool     LastPacketFull = false;
-	
-	if (Length > USB_ControlRequest.wLength)
-	  Length = USB_ControlRequest.wLength;
-	
-	while (Length && !(Endpoint_IsOUTReceived()))
-	{
-		while (!(Endpoint_IsINReady()));
-		
-		while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
-		{
-			Endpoint_Write_Byte(*(DataStream++));
-			Length--;
-		}
-		
-		LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
-		Endpoint_ClearIN();
-	}
-	
-	if (Endpoint_IsOUTReceived())
-	  return ENDPOINT_RWCSTREAM_HostAborted;
-	
-	if (LastPacketFull)
-	{
-		while (!(Endpoint_IsINReady()));
-		Endpoint_ClearIN();
-	}
-	
-	while (!(Endpoint_IsOUTReceived()));
-
-	return ENDPOINT_RWCSTREAM_NoError;
-}
-
-uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, uint16_t Length)
-{
-	uint8_t* DataStream     = (uint8_t*)(Buffer + Length - 1);
-	bool     LastPacketFull = false;
-	
-	if (Length > USB_ControlRequest.wLength)
-	  Length = USB_ControlRequest.wLength;
-
-	while (Length && !(Endpoint_IsOUTReceived()))
-	{
-		if (Endpoint_IsINReady())
-		{
-			while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
-			{
-				Endpoint_Write_Byte(*(DataStream--));
-				Length--;
-			}
-			
-			LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
-			Endpoint_ClearIN();
-		}
-	}
-	
-	if (Endpoint_IsOUTReceived())
-	  return ENDPOINT_RWCSTREAM_HostAborted;
-	
-	if (LastPacketFull)
-	{
-		while (!(Endpoint_IsINReady()));
-		Endpoint_ClearIN();
-	}
-	
-	while (!(Endpoint_IsOUTReceived()));
-
-	return ENDPOINT_RWCSTREAM_NoError;
-}
-
-uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, uint16_t Length)
-{
-	uint8_t* DataStream = (uint8_t*)Buffer;
-	
-	while (Length)
-	{
-		if (Endpoint_IsOUTReceived())
-		{
-			while (Length && Endpoint_BytesInEndpoint())
-			{
-				*(DataStream++) = Endpoint_Read_Byte();
-				Length--;
-			}
-			
-			Endpoint_ClearOUT();
-		}
-	}
-	
-	while (!(Endpoint_IsINReady()));
-	
-	return ENDPOINT_RWCSTREAM_NoError;
-}
-
-uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, uint16_t Length)
-{
-	uint8_t* DataStream = (uint8_t